340143554320 has 160 divisors (see below), whose sum is σ = 850114160640. Its totient is φ = 126282240000.

The previous prime is 340143554299. The next prime is 340143554323. The reversal of 340143554320 is 23455341043.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (340143554323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10844260 + ... + 10875580.

It is an arithmetic number, because the mean of its divisors is an integer number (5313213504).

Almost surely, 2^340143554320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340143554320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (425057080320).

340143554320 is an abundant number, since it is smaller than the sum of its proper divisors (509970606320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

340143554320 is a wasteful number, since it uses less digits than its factorization.

340143554320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31545 (or 31539 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 340143554320 its reverse (23455341043), we get a palindrome (363598895363).

The spelling of 340143554320 in words is "three hundred forty billion, one hundred forty-three million, five hundred fifty-four thousand, three hundred twenty".